package com.zy.pc;

import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/**
 *
 */
public class C {
    public static void main(String[] args) {
        Data3 data =new Data3();
        new Thread(()->{
            for (int i = 0; i < 10; i++) {
                data.printA();
            }
        },"A").start();
        new Thread(()->{  for (int i = 0; i < 10; i++) {
                data.printB();
            }},"B").start();
        new Thread(()->{  for (int i = 0; i < 10; i++) {
                data.printC();
            }},"C").start();
    }
}
class Data3{
    private Lock lock = new ReentrantLock();
    private Condition condition1 =lock.newCondition();
    private Condition condition2 =lock.newCondition();
    private Condition condition3 =lock.newCondition();
    private  int number =1;
    public  void printA(){
        lock.lock();
        try {
            while (number!=1){
                condition1.await();
            }
            System.out.println(Thread.currentThread().getName()+"AAAAAAAAA");
            number =2 ;
            condition2.signal();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            lock.unlock();
        }
    };
    public  void printB(){
        lock.lock();
        try {
            while (number!=2){
                condition2.await();
            }
            System.out.println(Thread.currentThread().getName()+"BBBBBBBB");
            number =3;
            condition3.signal();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            lock.unlock();
        }
    };
    public  void printC(){
        lock.lock();
        try {
            while (number!=3){
                condition3.await();
            }
            System.out.println(Thread.currentThread().getName()+"CCCCCCCCC");
            number =1;
            condition1.signal();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            lock.unlock();
        }
    };
}